Cat toilet seat



FIG. 1 is a front, top and side perspective view of the cat toilet seat showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of the side shown; and,

FIG. 5 is a third side elevational view thereof, the opposite side being a mirror image of the side shown. 

The ornamental design for a cat toilet seat, as shown and described. 